1. CNRS
2. Univ. Bordeaux
3. ICMCB
4. F-33600 Pessac
5. France
6. Department of Chemistry
7. University of Massachusetts Amherst
8. Amherst
9. USA
10. Department of Organic Chemistry
11. Indian Institute of Science
12. Bangalore 560012
13. India
14. Institut des Sciences Moléculaires
15. 33400 Talence